/*
 * @Description: 包装器
 * @Author: rendc
 * @Date: 2025-10-29 09:26:45
 * @LastEditors: rendc
 * @LastEditTime: 2025-10-29 09:54:21
 */

var obj = {
  name: 'zs',
  age: 18
}
console.log('🤡 CC - obj.name:', obj.name); // zs
obj.name = "obj";
console.log('🤡 CC - obj.name:', obj.name); // obj


var str = "test";
// 包装器类型只在当前行生效
console.log('🤡 CC - str.substring(2):', str.substring(2));
str.name = "str";
console.log('🤡 CC - str.name:', str.name);
